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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* -*- mode: C++ ; c-file-style: &quot;stroustrup&quot; -*- *****************************</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Qwt Widget Library</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 1997   Josef Wilgen</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Copyright (C) 2002   Uwe Rathmann</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * This library is free software; you can redistribute it and/or</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#ifndef QWT_MAGNIFIER_H</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#define QWT_MAGNIFIER_H 1</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;</div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &quot;qwt_global.h&quot;</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;qobject.h&gt;</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;</div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="keyword">class </span>QWidget;</div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="keyword">class </span>QMouseEvent;</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="keyword">class </span>QWheelEvent;</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="keyword">class </span>QKeyEvent;</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html">   27</a></span>&#160;<span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_magnifier.html">QwtMagnifier</a>: <span class="keyword">public</span> QObject</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;{</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;    Q_OBJECT</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="class_qwt_magnifier.html">QwtMagnifier</a>( QWidget * );</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_magnifier.html">QwtMagnifier</a>();</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    QWidget *parentWidget();</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    <span class="keyword">const</span> QWidget *parentWidget() <span class="keyword">const</span>;</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    <span class="keywordtype">void</span> setEnabled( <span class="keywordtype">bool</span> );</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    <span class="keywordtype">bool</span> isEnabled() <span class="keyword">const</span>;</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    <span class="comment">// mouse</span></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    <span class="keywordtype">void</span> setMouseFactor( <span class="keywordtype">double</span> );</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    <span class="keywordtype">double</span> mouseFactor() <span class="keyword">const</span>;</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    <span class="keywordtype">void</span> setMouseButton( Qt::MouseButton, Qt::KeyboardModifiers = Qt::NoModifier );</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    <span class="keywordtype">void</span> getMouseButton( Qt::MouseButton &amp;, Qt::KeyboardModifiers &amp; ) <span class="keyword">const</span>;</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    <span class="comment">// mouse wheel</span></div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    <span class="keywordtype">void</span> setWheelFactor( <span class="keywordtype">double</span> );</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <span class="keywordtype">double</span> wheelFactor() <span class="keyword">const</span>;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    <span class="keywordtype">void</span> setWheelModifiers( Qt::KeyboardModifiers );</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    Qt::KeyboardModifiers wheelModifiers() <span class="keyword">const</span>;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <span class="comment">// keyboard</span></div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    <span class="keywordtype">void</span> setKeyFactor( <span class="keywordtype">double</span> );</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <span class="keywordtype">double</span> keyFactor() <span class="keyword">const</span>;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    <span class="keywordtype">void</span> setZoomInKey( <span class="keywordtype">int</span> key, Qt::KeyboardModifiers = Qt::NoModifier );</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    <span class="keywordtype">void</span> getZoomInKey( <span class="keywordtype">int</span> &amp;key, Qt::KeyboardModifiers &amp; ) <span class="keyword">const</span>;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    <span class="keywordtype">void</span> setZoomOutKey( <span class="keywordtype">int</span> key, Qt::KeyboardModifiers = Qt::NoModifier );</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    <span class="keywordtype">void</span> getZoomOutKey( <span class="keywordtype">int</span> &amp;key, Qt::KeyboardModifiers &amp; ) <span class="keyword">const</span>;</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">bool</span> eventFilter( QObject *, QEvent * );</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="keyword">protected</span>:</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> rescale( <span class="keywordtype">double</span> factor ) = 0;</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> widgetMousePressEvent( QMouseEvent * );</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> widgetMouseReleaseEvent( QMouseEvent * );</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> widgetMouseMoveEvent( QMouseEvent * );</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> widgetWheelEvent( QWheelEvent * );</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> widgetKeyPressEvent( QKeyEvent * );</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> widgetKeyReleaseEvent( QKeyEvent * );</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    <span class="keyword">class </span>PrivateData;</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    PrivateData *d_data;</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;};</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="class_qwt_magnifier_html"><div class="ttname"><a href="class_qwt_magnifier.html">QwtMagnifier</a></div><div class="ttdoc">QwtMagnifier provides zooming, by magnifying in steps. </div><div class="ttdef"><b>Definition:</b> qwt_magnifier.h:27</div></div>
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